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» Querying Imprecise Data in Moving Object Environments
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INFSOF
2007
98views more  INFSOF 2007»
13 years 7 months ago
Indexing range sum queries in spatio-temporal databases
Although spatio-temporal databases have received considerable attention recently, there has been little work on processing range sum queries on the historical records of moving ob...
Hyung-Ju Cho, Chin-Wan Chung
TIME
1997
IEEE
13 years 11 months ago
On Effective Data Clustering in Bitemporal Databases
Temporal databases provide built-in supports for efficient recording and querying of time-evolving data. In this paper, data clustering issues in temporal database environment are...
Jong Soo Kim, Myoung-Ho Kim
ICDE
2011
IEEE
274views Database» more  ICDE 2011»
12 years 11 months ago
SQPR: Stream query planning with reuse
—When users submit new queries to a distributed stream processing system (DSPS), a query planner must allocate physical resources, such as CPU cores, memory and network bandwidth...
Evangelia Kalyvianaki, Wolfram Wiesemann, Quang Hi...
ICDE
2007
IEEE
192views Database» more  ICDE 2007»
14 years 9 months ago
APLA: Indexing Arbitrary Probability Distributions
The ability to store and query uncertain information is of great benefit to databases that infer values from a set of observations, including databases of moving objects, sensor r...
Vebjorn Ljosa, Ambuj K. Singh
ICRA
2005
IEEE
258views Robotics» more  ICRA 2005»
14 years 1 months ago
Fast Line, Arc/Circle and Leg Detection from Laser Scan Data in a Player Driver
— A feature detection system has been developed for real-time identification of lines, circles and people legs from laser range data. A new method suitable for arc/circle detect...
João Xavier, Marco Pacheco, Daniel Castro, ...